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Archduke Franz Ferdinand heir to the throne of the Austro-Hungarian Empire, and his wife are assassinated in Sarajevo.
Archduke Franz Ferdinand heir to the throne of the Austro-Hungarian Empire, and his wife are assassinated in Sarajevo. -
Period: to
How WWI began
The simplest answer is that the immediate cause was the assassination of Franz Ferdinand, the archduke of Austria-Hungary. -
Emperor Franz Joseph of Austria-Hungary declares war on Serbia.
Austria-Hungary declares war on Serbia -
As an ally of Serbia, Russia announces full mobilization of her armed forces.
As an ally of Serbia, Russia announces full mobilization of her armed forces. -
Germany mobilizes her armed forces and declares war on Russia.
Germany mobilizes her armed forces and declares war on Russia. -
